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 FPM Series Piano Switches
FPM Series PIANO TYPE

 Features
  • Tactile response is performed directly by larger contact pressure to ensure very stable contact.
  • All UL 94V-0 fire retardant plastics used.
  • Bottom epoxy sealed standard to ensure free of flux immersion during wave soldering.
  • Contact wiping on make and break.
  • Gold plated or silver plated contact to ensure low contact resistance and long operation life.
  • Ideal for data processing, communications, remote controls and burglar alarm system use, where manual programming is required.

  • Electrical Characteristics

    Contact Rating  
  • Switching
  • 25mA, 24VDC
  • Non-switching
  • 100mA, 50VDC
    Contact Resistance  
  • Initial
  • 50m ohm MAX.
  • After life test
  • 100m ohm MAX.
    Insulation Resistance 1,000M ohm MIN. at 100VDC
    Dielectric strength 500VDC for 1 minute
    Capacitance between adjacent switches 5pF Max.
    Mechanical and Environmental Characteristics
    Temperature Rating  
  • Operating
  • -25oC to +70oC
  • Storage
  • -40oC to +85oC
    Operating Force 800g Max.
    Operating Life 3,000 Operations.
    Humidity 95% RH, 40oC for 96 Hrs.
    Vibration Per MIL-STD-202F, Method 204D
    Solderability After flux 230 ± 5oC for
    5 ± 0.5 second 95% coverage.
    Soldering Heat 260 ± 5oC for 5 ± 1 second.

    Dimensions, Construction & Circuitry

    Positions234567810
    A
    6.5
    (0.256)
    9.0
    (0.354)
    11.7
    (0.461)
    14.1
    (0.555)
    16.7
    (0.657)
    19.2
    (0.756)
    21.7
    (0.854)
    26.7
    (1.05)
    Unit: mm (inch)

    Part Numbering System:

    FPM 1 08 1 1
         
    Series Contact
    Form
        Number of
    Positions
      Actuator
    & "ON" Position
    Sealing
    FPM 1 = SPST     2
    4
    6
    8
    10
    12
          1 = Extended Actuator & Top Side "OFF"
    2 = Extended Actuator & Top Side "ON"
    3 = Low Profile Actuator & Top Side "OFF"
    4 = Low Profile Actuator & Top Side "ON"
    1 = Non Top Tape Sealed
    2 = Top Tape Sealed


    **Specifications subject to changes**
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    Electrical Characteristics

    Mechanical and Environmental Characteristics

    Dimensions, Construction & Circuitry

    Part Numbering System


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